DISK CO-PROCESSOR BOARD Hard Disk/Floppy Controller Settings and Configuration

Data bus:

16-bit, ISA

Size:

Full-length, full-height card

Hard drive supported:

Up to 15 SCSI devices

Floppy drives supported:

N/A

CONNECTIONS

Function

Location

37-pin SCSI connector - external

CN1

50-pin SCSI connector - internal

CN2

UPS monitor connector

CN3

PAL/CHANNELS/ADDRESS/INTERRUPT CONFIGURATION

Channel

PAL U3.11

PAL U4.11

I/O Address

UPS Address

IRQ

1

814-198-001

814-197-001

340h

346h

IRQ11

1

31-1020-01

31-1022-01

340h

346h

IRQ11

2

814-198-001

814-197-002

348h

34Eh

IRQ12

2

31-1020-01

31-2043-01

348h

34Eh

IRQ12

3

814-198-002

814-197-001

320h

326h

IRQ10

3

31-2044-01

31-1022-01

320h

326h

IRQ10

4

814-198-002

814-197-002

328h

32Eh

IRQ15

4

31-2044-01

31-2043-01

328h

32Eh

IRQ15

PAL/CHANNELS/ADDRESS/JUMPER CONFIGURATION

Channel

S1

S5/A

S5/B

S5/C

S5/D

S11/A

S11/B

S11/C

1

2 & 3

open

open

open

closed

2 & 3

2 & 3

2 & 3

2

2 & 3

closed

open

open

open

2 & 3

1 & 2

1 & 2

3

2 & 3

open

closed

open

open

2 & 3

1 & 2

2 & 3

4

2 & 3

open

open

closed

open

2 & 3

2 & 3

1 & 2

Note: Pin numbers designated are in the closed position.